Valentin R. Email & Phone Number

Romania

As a key member of the Platform Engineering team at Payoneer, my role involved leveraging my technical expertise to enhance developer productivity and system efficiency. Through the development of SDK libraries and the integration of cloud services, I played a pivotal role in optimizing workflows and standardizing practices within our technology ecosystem. My role was characterized by a collaborative spirit, working closely with Product teams, SRE, DevOps, Cybersecurity, and other engineers.• Migrated and upgraded several critical microservices to the latest LTS version of .NET Core ensuring zero downtime and enhanced efficiency.• Led the development of SDK libraries integrating AWS cloud services into Payoneer's workflows, focusing on configuration and secrets management, streamlining deployment processes and improving service reliability.• Led the research and design of a public-facing inbound webhooks gateway, leveraging Apigee and Confluent Cloud to streamline webhook event integration for developers. This demonstrated my ability to innovate and architect advanced solutions, enhancing developer integration and event management.• Implemented changes aligning our services' logging with OpenTelemetry standards, improving system observability by enabling better distributed log tracing.• Advocated for and improved the documentation process, mirroring best practices from software development to enhance team collaboration and knowledge sharing.• Facilitated the adoption of feature flags across the organization by standardizing LaunchDarkly, enhancing feature deployment and testing flexibility.Technologies used: AWS, Kubernetes, Terraform, Confluent Cloud, .NET Core, .Net Framework, LaunchDarkly, Azure DevOps, SQL Server, PostgreSQL, among others.

Romania

Senior Software Engineer outsourced to Payoneer.

At MbnTech, I focused on utilizing .NET and JavaScript to develop and enhance blockchain and web technology projects. My role involved both individual contribution and collaboration, leveraging modern technologies to solve complex problems and deliver scalable solutions.• Led the backend development for an innovative metaverse project creating a scalable reservation system to address gas wars during an NFT launch. This included developing blockchain synchronization mechanisms to maintain consistent NFT state and ownership.• Technologies used: Node.js, Express, TypeScript, Web3.js, Prisma ORM, PostgreSQL, DigitalOcean App Platform.

Romania

• Directed the modernization of critical components from a legacy Silverlight application to contemporary web technologies ensuring the application's longevity post-Internet Explorer support discontinuation. This process involved isolating frontend components and integrating them with the backend, preserving functionality while updating the tech stack.• Technologies used: ASP.NET Web Forms, WCF, SQL Server, JavaScript, Telerik UI

Bucharest, Romania

During my tenure at Cegeka, I contributed to web development projects for QPark, Europe's largest parking provider. I was involved in a broad spectrum of services, from developing new features and maintaining systems for session and access management, facility and product catalog management, to online sales, invoicing, and CRM. In my day-today I used TDD, DDD, and SCRUM methodologies.• Adapted to and utilized various front-end technologies and libraries, including AngularJS, React, and TypeScript.• Engineered RESTful API backends with ASP.NET MVC and ASP.NET Core, integrating Entity Framework and Microsoft SQL Server.• Implemented Azure cloud services to enhance application scalability and performance.• Managed background processing workflows using message-oriented middleware for reliable messaging.• Applied CI/CD and DevOps practices with TeamCity, Octopus, and Azure Pipelines to streamline development workflows.Technologies used: AngularJS, React, TypeScript, ASP.NET MVC, ASP.NET Core, Entity Framework, Microsoft SQL Server, Azure Cloud Services, NServiceBus, TeamCity, Octopus, Azure Pipelines.

Bucharest, Romania

My tenure at CVU Intelligence was marked by tackling challenges in updating legacy systems and enhancing web applications' functionality. Working within a dynamic environment, my contributions were pivotal in:• Transitioning a legacy VB6 WinForms application to the web using ASP.NET Core, HTML5, CSS, JavaScript, and jQuery, demonstrating my ability understand legacy codebases and to modernize outdated systems.• Developing RESTful web services with ASP.NET MVC (MVC Core and Web API 2), using Entity Framework and MS SQL Server, to improve service integration and data management.• Crafting a .NET client library for .NET Framework 3, enabling interoperability with Delphi for efficient web service communication.Technologies used: ASP.NET Core, HTML5, CSS, JavaScript, jQuery, ASP.NET MVC, Entity Framework, MS SQL Server.